Optogen

When using Optogen, what is the restriction regarding the number of applications of herbicides with the same mode of action?

• Do not exceed one application per season
• Do not exceed three applications per season
• Do not use more than two applications of this or any other herbicide with the same mode of action in a single growing season when mixed with an herbicide with a different mode of action providing overlapping spectrum for difficult to control weeds ✓
• There is no restriction on the number of applications if used alone

Answer: The label states: 'DO NOT use more than two applications of this or any other herbicide with the same mode of action in a single growing season mixed with an herbicide with a different mode of action providing overlapping spectrum for difficult to control weeds.'

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In which specific geographic locations is the sale, use, and distribution of Optogen prohibited?

• Any county in the State of New York
• Nassau and Suffolk Counties in the State of New York ✓
• All coastal counties in the State of New York
• Suffolk County only

Answer: The label states: 'Sale, use and distribution prohibited in Nassau and Suffolk Counties in the State of New York.'

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According to the product label, what is the required Restricted Entry Interval (REI) for treated areas?

• 12 hours
• 24 hours ✓
• 48 hours
• 72 hours

Answer: The label states: 'A restricted entry interval (REI) of 24 hours applies to treated areas.'

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Which of the following is a listed PPE requirement for handling Optogen?

• Chemical-resistant apron
• Chemical-resistant gloves ✓
• Face shield
• N95 respirator

Answer: The label states: 'Personal Protective Equipment (PPE) requirements include long-sleeved shirts, long pants, shoes plus socks, and chemical-resistant gloves...'

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When using Optogen for postemergence weed control, how is the herbicide absorbed by the target weeds?

• Through the soil
• Through the foliage ✓
• Through the roots
• Through the stems

Answer: The label states: 'For preemergence applications, it is absorbed through the soil, and for postemergence, it is absorbed through the foliage of emerged weeds.'

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To reduce the risk of runoff, under what weather condition should application be avoided?

• If temperatures exceed 90°F
• If high winds are expected
• If rainfall or irrigation is expected within 48 hours ✓
• If frost is expected within 24 hours

Answer: The label states: 'Avoid application if rainfall or irrigation is expected to occur within 48 hours to reduce runoff risk.'

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What is a specified environmental precaution regarding the use of Optogen?

• Do not apply during high winds
• Do not apply to crops in sandy soil
• Do not apply directly to water or allow runoff to enter surface water ✓
• Do not apply during the night

Answer: The label states: 'do not apply directly to water or allow runoff to enter surface water.'

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Which of the following is an approved way to use Optogen in a tank mixture?

• Mixed with a systemic fungicide
• Mixed with a burndown herbicide prior to planting ✓
• Mixed with a nitrogen fertilizer
• Mixed with any other Group 27 herbicide

Answer: The label states: 'It can also be used in tank mixtures with burndown herbicides prior to planting.'

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